Publication | Open Access
Quantum Entropy and Special Relativity
283
Citations
7
References
2002
Year
Quantum ScienceReduced Density MatrixEngineeringPhysicsSpecial RelativityEntropySpin SystemsNatural SciencesQuantum Field TheoryQuantum Mechanical PropertyLorentz TransformationsDirac OperatorQuantum SystemQuantum EntanglementSpin Entropy
We consider a single free spin- 1 / 2 particle. The reduced density matrix for its spin is not covariant under Lorentz transformations. The spin entropy is not a relativistic scalar and has no invariant meaning.
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